Fics like What if Nezuko Was the Demon Slayer & Had Mating Sex With Ostensibly Toddler-Aged Tanjiro Instead?

In an alternate universe, Nezuko returned home to find her family murdered and her little brother Tanjiro turned into a demon. Years later, she copes with the strain of performing as a heavily sexualized Demon Slayer for the sake of curing him by, you guessed it, falling in love with her brother and exclusively having sweaty intercourse with him in his smallest, youngest form possible.

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1. Second Sunrise by Thrudi (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
2. she looks so pretty by shotakechis (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
3. the awakening of the demon king by wholesome_sliced_bread (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
4. dancing on the edge of the night by evilmeetsboy (鬼滅の刃 | Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
5. little bunny, why are your eyes so red? by revanmooo (鬼滅の刃 | Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
6. The Secrets We Keep by Wisteria21 (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
7. Killer Downpour by surveycorpsjean (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
8. How Much You Mean to Me by Vodram (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
9. Positive, Positive, Positive by Fayte2008 (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
10. When Floodgates Burst by orphan_account (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
11. Tempura by porkmincenoodle (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
12. Ripple Effect by Bangtanbananas (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
13. Sunflowers in the Rain by Three_Edens (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
14. Unlocking With No Key by 1V1 (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
15. Can I Trust You With My Everything? by Manta_and_Matcha, ballzor (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
16. Subduing Demons Through Other Means by HeyHeyItsFei (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
17. Two Worlds Collided & They Could Never Tear Us Apart by Wysteriaz (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
18. Bright Waters by Firezaster (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
19. The Butterfly Effect by HungryHungryGuineaPig (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
20. She's A Lady (And I Am Just A Boy) by Strawberry_Angel (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))